Scotland's offshore oil platforms in the North Sea generate significant wealth for the nation — especially for the Shetland Islands, where oil tanker traffic boosts the local economy. Andy Buchanan - WPA Pool/Getty Images hide caption

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Not quite 3 years old, Oscar Bayeda is just learning to ride with the help of P'tit Velib's bike-sharing program for children. Eleanor Beardsley/NPR hide caption

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Europeans throw away 90 million tons of food each year, including these vegetables pulled from waste bins of an organic supermarket in Berlin. A new German website aims to connect surplus food with people who want it. Fabrizio Bensch/Reuters /Landov hide caption

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Nineteen-year-old Bosnian Serb Gavrilo Princip fired the shots that killed the heir to the Austro-Hungarian empire, Archduke Franz Ferdinand, and his wife, Sophie, during a visit to Sarajevo on June 28, 1914. Depending on whom you ask, he's either a hero or a terrorist. Historical Archives Sarajevo/AP hide caption

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On the sidelines of the EU summit in Brussels, U.K. Prime Minister David Cameron said the choice of Jean-Claude Juncker to head the European Commission marks "a bad day for Europe." John Thys/AFP/Getty Images hide caption

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German Chancellor Angela Merkel speaks with Ukrainian President Petro Poroshenko, who signed a new economic deal with the EU at the organization's summit meetings Friday. Olivier Hoslet/AFP/Getty Images hide caption

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